package org.colin.config;

import javax.sql.DataSource;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;

@Configuration
@PropertySource(value = "classpath:application.yml")
public class DruidConfiguration {

	// 访问地址：http://127.0.0.1:8000/se/druid/login.html

	/**
	 * @desc druidDataSource
	 * @author wujiangbo
	 * @date 2020年1月2日 下午6:20:55
	 * @return
	 */
	@Bean(destroyMethod = "close", initMethod = "init")
	@ConfigurationProperties(prefix = "spring.datasource")
	public DataSource druidDataSource() {
		DruidDataSource druidDataSource = new DruidDataSource();
		return druidDataSource;
	}

	/**
	 * @desc druid 注册一个StatViewServlet
	 * @author wujiangbo
	 * @date 2020年1月2日 下午6:21:07
	 * @return
	 */
	@Bean
	public ServletRegistrationBean druidStatViewServlet() {
		// org.springframework.boot.context.embedded.ServletRegistrationBean提供类的进行注册.
		ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");

		// 添加初始化参数：initParams
		// 白名单：
		servletRegistrationBean.addInitParameter("allow", "");
		// IP黑名单 (存在共同时，deny优先于allow) : 如果满足deny的话提示:Sorry, you are not permitted to
		// view this page.
		// servletRegistrationBean.addInitParameter("deny","192.168.1.73");
		// 登录查看信息的账号密码.
		servletRegistrationBean.addInitParameter("loginUsername", "admin");
		servletRegistrationBean.addInitParameter("loginPassword", "123456");
		// 是否能够重置数据.
		servletRegistrationBean.addInitParameter("resetEnable", "false");
		return servletRegistrationBean;
	}

	/**
	 * @desc druid过滤器 注册一个：filterRegistrationBean
	 * @author wujiangbo
	 * @date 2020年1月2日 下午6:21:16
	 * @return
	 */
	@Bean
	public FilterRegistrationBean druidStatFilter() {
		FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new WebStatFilter());
		// 添加过滤规则.
		filterRegistrationBean.addUrlPatterns("/*");
		// 添加不需要忽略的格式信息.
		filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
		return filterRegistrationBean;
	}
}
